<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>

    <style>
        div {
            /* border: 10px solid;
            padding: 10px;
            margin-bottom: 10px; */
            width: 400px;
            height: 200px;

            /* line-height: auto; */

        }
    </style>
</head>
<body>
    <div>hello <br/> hello</div>
    <div>hello</div>
    <div>hello</div>
</body>
</html>